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The North Tower Collapse: A Computer Simulation
Speaking truth to Truthers: A Purdue University study uses 3-D animation to provide visual context to the 9/11 attacks. Rosie O'Donnell covers her eyes and ears, muttering about fire and steel.
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Allah at Hot Air blogged the story of Purdue University’s computer simulation of the North Tower collapse a full week ago. The study is here. The MSM is catching up today:

A computer simulation of the 2001 World Trade Center attacks supports a federal agency’s findings that the initial impact from the hijacked airplanes stripped away crucial fireproofing material and that the weakened towers collapsed under their own weight.

The two-year Purdue University study, funded in part by the National Science Foundation, was the first to use 3-D animation to provide visual context to the attacks, said Christoph Hoffmann, a professor of computer science and one of the lead researchers on the project.

“One thing it does point out… is the absolute essential nature of fireproofing steel structures,” Hoffmann told The Associated Press. “This is something that wasn’t done originally in the World Trade Center when it was built. It wasn’t code at that time.”

Mete Sozen, a professor of structural engineering and a lead investigator on the simulation, said Purdue researchers hope their work leads to better structural design and building codes to prevent similar collapses.

“In the unfortunate development that we shall have to design structures to survive such events, the methods we have developed and will be developing will be of great use to designers,” Sozen said.

The animation, intended in part to help engineers design safer buildings, begins with a map of lower Manhattan as it appeared on Sept. 11, 2001. The video then shows a plane slicing through several stories of the World Trade Center’s north tower and follows the disintegrating plane through the interior and out the opposite side.

The report concludes that the weight of the aircraft’s fuel, when ignited, produced “a flash flood of flaming liquid” that knocked out a number of structural columns within the building and removed the fireproofing insulation from other support structures, Hoffmann said.

The simulation also found that the airplane’s metal skin peeled away shortly after impact and shows how the titanium jet engine shafts flew through the building like bullets.

Over to you, Rosie O.

(Republished from MichelleMalkin.com by permission of author or representative)
 
• Category: Ideology • Tags: Rosie O'Donnell, Truthers